Universal joint.



H. QUINBY. I UNIVERSAL JOINT.

APYLIOATION rum) MAB-.3, 1909.

Patented Jan. 11,1910.

INVENTUR WITNESSES:

STATES PATENT QFFTGE,

HARRISON QUINBY, OF MUNGIE, INDIANA, ASSIGNOR ONE-HALF T WILLIAM J. .KILLIAN, OF MUNCIE, INDIANA.

UNIVERSAL JOINT.

Specification of Letters Patent Patented Jan, '11, 1910.

' To all whom it may concern:

similar Be it known that I, -HARRISON QUINBY, a

citizen of the United States, and a resident of the city of Muncie, in the county of Dela- .wa-re and State of lndiana have invented a new and useful Universal Joint, of which invention the following is a specification.

This invention relates to improvements in universal joints' j The objects of myinvention are to im- "prove the construction of-and to provide a universal joint which will becompact, of few parts, durable,1and not liable to get out of repair or adjustment.

The objects of my invention are accomplished by and my invention consists in the new construction, combination and arrangement of arts described -m thls specification, define in the appended claims, and illustrated in the accompanying drawings.

Corresponding parts are fiesi ated by c the several views in the drawings, in which- Figure 1 is a side'view and Fig. 2 is anend View of my improved universal joint.

Fig. 3 is a side View, the ring being shown: in section taken on the line 3-3 Fig. 2. Fig. 4 is a detached enlarged longitudinal sectional view of myinvention Fig. 5 is a detached enlarged longitudinal sectional I 1 view of my invention the cap being in raised position.

. areain cross section.

Fig. 6 is a plan view, the cap v beingremove v The fork shaped complemental shaft members A have the fork ends A as shown. These shaft members are made of steel and the outer face of each fork end has the semispherical recess A in which will be seated the steel ball B. The structure and dimen sions of the shaft members by virtueof my invention may be of the compact form and they will operate in close proximity to each other as shown.

The ring 0 is made of metal of suitable quality, preferably of steel, and is of suitable Extending radially through the ring'at the four quarters thereof are the threaded bores D. Each of these bores is terminated externally by the threaded counter bore E having the base E and the ledge E In each bore D is screwed the boxing F. The inner end of this boxing has the machined semi-spherical recess F in which the aracters of reference t roughout;

tale ball.

Adjacent the threaded wall of the bore D 1 The pitch of the threads of this boxing is such that the boxing is capable of being adjusted to proper position with reference to is the well H of suitable depth, and from which well the vertical slot H extends through .the wall' of the ring. Communicating with and extending horizontally from the upper end of the slot H is the slot' H the function of which will presently be disclosed. Slidingly disposed in the well H is the plunger J which has the detent J disposed at such an angle and having its bottom face of such shape as tofit the groove G of the boxing F. The tooth J 2 is provided on the top of the detent J. The idestud J 3 carried by the plunger J fits shdingly in the slot H K designates a coil spring disposed in the well H and underneath the plunger J, and which spring will urge the plunger upwardly. I

Adapted to close the bore E is the threaded cap L. This cap is threaded as shown and on its bottom face are provided the ratchet teeth L M M, designate recesses to which may be applied a spanner wrench. The distance between these recesses M M is substantially the same as the distance between the annular edges of the boxing, so that the wrench used for moving the boxing may be used to tighten the cap into place.

The utility of my invention and the mode of its operation will be apparent from the foregoing description of its construction, and by inspection of the drawings. The only machine Work onthe shaft members other than the usual bore A of the shank of each, are the correctly centered and machined recesses A To assemble the respective parts the ring C is placed in the position as shown with reference to the shaft members, then the ball B1 is placed in the recess A The.detent J is then raised and turned to one side and into the bore E, the guide-stud J passing into the slot H as shown by the dotted lines in Fig. '6. The

detent J is then turned back to normal radial position and by the coil spring it will be held in the raised position clear of the boxing-and above the grooves G as shown in Fig. 5. As the cap L is being screwed down the ratchet teeth L will en age and pass the tooth J When the cap l ias been screwed down into its normal position in contact with the ledgeE there will be the clearance N between the bottom face of the detent J 1 and the base of the groove G as shown in Fig. 4. The formation of the ratchet teeth L ,with reference to the direction of the thread on the cap is such-that any tendency of the cap to move from its tightened position will bring the face of the ratchet tooth into direct engagement with the tooth J The screwing of the cap down into the position as shown forces the plunger downwardly until the detent J will reside snugly in one of the grooves G; After the placing in position of the other three balls, and boxings and caps, my improved coupling is complete and in readiness for use.-

By the construction, combination and arrangement of parts described it will be seen that the cap and the boxing are positively locked against movement from their correct positions, and all fastening means such as keys, lock nuts, "set screws and the like are dispensed with and a compact and efficient joint is obtained.

The cavity formed by the recesses F is intended as a receptacle for lubricant which may be held by a saturated portion of waste deposited in the said'cavity; the lubricant will pass through the perforation F whereby the ball bearing will at all times be properly lubricated.

' its further upward movement being prevent- To remove the cap L, the guide stud J is depressed which moves the tooth J out of its engagement with the ratchet tooth L, the cap may then be unscrewed and removed. The plunger-J will be urged upwardly and will occupy the position as shown in Fig. 5,

ed by the guide stud J coming to. rest against the top end of the slot H The spanner wrench may be then applied to the grooves G and the position of the boxing may be adjusted.

What I claim as my invention and desire to secure by Letters Patent of the United States, is

1. A universal joint consisting of a pair of forked complemental shaft members, the outer face of the fork end of each shaft member having a recess therein, a ring mem-' her having a radial bore therein to register with each of said fork ends, a bearing member adjustably disposed in each of the said bores and having its inner end recessed, a

ball. between each of'the fork ends and the adjacent bearing member, a'cap ateach of the said bores adapted to close the same,

means carried by the ring member bet-ween inner end recessed, a ball between each of the fork ends and the adjacent bearing member, a cap adapted to be screwedinto and toclose the outer end of each bore, means between and adapted to coengage the cap and the outer end of the bearing member, so that when the cap is tightened into position, the cap and the bearing member will both be locked against movement.

.3. A universal joint consisting of a pair of forked complemental shaft members, the

outer'face of the fork end of each shaft member having a recess therein, a ring memher having a threaded radial bore therein to register with each of said fork ends the outer end of each'of said boreshaving the threaded counter bore substantially as described, a threaded bearin member adapted to be screwed into each 0 said bores having its inner end recessed, and its outer end being prodided with radial grooves, and there being a central passage connecting the outer sud of\the bearing member and the recess therein, a ball between each of the fork ends and the adj acent bearing member, a threaded cap .adapted to be screwed into the counter bore and having radial depressions on its underside, means carried by the rin member adapted to be urged ,yieldingly outwardly to coengage the grooves in the outer end of the bearing member and the depressions in the underside of the cap when the latter is tightened into position, substantially as described.

4. A universal joint consisting of a pair of forked complementaj sha ft members,the outer face of the fork en 1, of each shaft member having a recess therein, a ring member having a threaded radial bore therein to ,register with each of said fork ends,'the outer end of each of'said bores having the threaded counter bore substantially as'described, a threaded bearing member adapted to be screwed\ into each of the said bores having its inner end recessed and its outer end be ing provided with radial groovesQa plunger slidingly seated in a well adjacent the bore and having a coil spring thereunder to urge the plunger outwardly, said plunger having 130 a detent thereon to engage the radial grooves of the bearing; member and being provided with a tooth on its upper side, there being a stud carried by said plunger and adapted to move slidingly in an L shaped slot therefor in the ring member, a ball between each of the fork ends and the adjacent bearing member, a threaded cap adapted to be screwed into the counter bore and having radial de- 10 presslons on 1ts underside so that with the tightening of the cap into position the parts all will be locked against movement.

In testimony whereof I sign my name to this specification in the presence of two subscribing Witnesses.

HARRISON QUTX BY.

\"itnesses:

WILLIAM J. KILLIAN, THOMAS L. RYAN. 

